Physical science Pentatlon 2018

The main branches of natural science are:

• physics and chemistry.

• biology, zoology, and ecology

• medicine and agriculture.

• life, physical, and earth science

Technology can best be defined as

• science that uses computers.

• new inventions

• applied science

• the use of lenses and microscopes.

Pure science is best defined as the

• continuing search for new knowledge

• use of science to solve human problems

• study of the makeup of living things

• application of scientific knowledge.

What is a scientific law?

• It is the same as a hypothesis.

• It is a description of a natural event.

• It is an explanation of a scientific observation

• It is the conclusion of a scientific experiment.

A scientific model is a

• representation of a real event or object.

• small building used to conduct experiments.

• mathematical statement of a theory.

• new theory that takes the place of an incorrect one.

How many total atoms in H₂O?

• 1
• 2
• 3
• 4

How many Hydrogen atoms in H2O?

• 1
• 2
• 3
• 4

What charge does an electron have?

• positive
• negative
• neutral

A mixture of 2 or more metals.

• alloy
• isotope
• radical

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

What is the symbol for carbon

• C
• Ca
• Fe